Method of manufacturing a hollow section, grid stiffened panel

Details Method of manufacturing a hollow section, grid stiffened panel Method of manufacturing a hollow section, grid stiffened panel

2006-08-29

2006-08-29

Rossi, Jessica (Department: 1733)

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

C156S212000, C156S221000, C156S222000, C156S307100, C264S257000, C264S258000, C264S324000

Reexamination Certificate

active

07097731

ABSTRACT:
A method of manufacturing a hollow section grid-stiffened panel comprises providing a tool (10) having a surface (12). The stiffened skin composite panel is preassembled comprising laminating a composite outer skin (14) on the surface, placing a separator outer layer (16) on the composite outer skin (14), and laminating a composite stiffener (20) on the mandrel (18), the mandrel being positioned on the separator layer (16), wherein the separator layer (16) separates the stiffener (20) and the mandrel (18) from the outer composite skin (14). The preassembled outer skin composite panel is cured on the tool. The separator layer (16) and mandrel (18) are removed from the preassembled stiffened skin composite panel. The stiffened skin composite panel is reassembled, comprising applying an adhesive between the composite outer skin (14) and the composite stiffener (20). The reassembled stiffener skin composite panel is cured on the tool to bond the stiffener skin to the outer skin.

REFERENCES:
patent: 4946526 (1990-08-01), Petty-Galis et al.
patent: 4966802 (1990-10-01), Hertzberg
patent: 6638466 (2003-10-01), Abbott
patent: 19617699 (1997-11-01), None

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